Brand new genuine pre-chambers as shown ( total of 4 ). Part number is 636-010-05-52. Do your research and make sure these are the correct prechambers for your engine.
Genuine in mint condition - Fits most 170D and 180D engines - check part number
OM 636 4 CLYINDER DIESEL Set of 4 New Prechambers - N.O.S. $325.00Sale